CN210280219U - Feeding device for cold-drawn steel pipe - Google Patents

Abstract

A feeding device for cold-drawn steel tubes comprises a base, at least two material placing plates and a group of guide plates, wherein the material placing plates are arranged above the base and are arranged at intervals along the front-back direction of the base, the guide plates are respectively arranged on one side of the material placing plates, a pair of sliding grooves are formed in the guide plates, the material placing plates are respectively provided with a sliding block at positions corresponding to the pair of sliding grooves, the sliding blocks are fixed on one side face of the material placing plates and press the guide plates against one side of the material placing plates, the guide plates slide left and right on the sliding blocks through the sliding grooves, guide racks are respectively formed below the guide plates, guide gears meshed with the guide racks are respectively arranged below the guide racks, the guide gears are respectively and fixedly connected to a guide gear shaft, the guide gear shaft is in transmission connection with an output shaft of a motor, and one side of each material placing plate is also respectively provided with. The structure is simplified, the running stability of the whole device is improved, the cost is reduced, the failure rate is reduced, and the cold drawing efficiency is improved.

Description

Feeding device for cold-drawn steel pipe

Technical Field

The utility model belongs to the technical field of cold-drawn steel pipe equipment, concretely relates to loading attachment of cold-drawn steel pipe.

Background

Cold drawing is an important link in the process of processing seamless steel pipes, and is mainly used for processing one end of a steel pipe into a drawing head, the drawing head passes through a cold drawing die and is clamped and fixed through a drawing trolley, and the drawing trolley drags the steel pipe backwards to pass through the cold drawing die, so that the size accuracy of the seamless steel pipe and the surface finish of the steel pipe can be improved. The feeding is a preorder link of cold-drawing the steel pipes, the feeding is usually carried out by adopting a manual operation method, a plurality of steel pipes can be simultaneously cold-drawn in order to improve the cold-drawing efficiency in the industry, but the manual feeding cannot simultaneously carry out the feeding on a plurality of stations, so that the cold-drawing efficiency is undoubtedly reduced. Some loading attachment have then appeared in the industry, but most loading attachment's structure is comparatively complicated and can break down, for example often appear in the use that the steel pipe does not fall into the cold drawing station or the situation of many steel pipes appear in the cold drawing station, and some can only carry out the material loading to the steel pipe of minor diameter, and application scope is narrower.

In the prior art, for example, the chinese patent application publication No. CN107377644A discloses a "feeding mechanism for automatic cold drawing molding", which includes a material holder, the material holder includes a material inlet and a material outlet, an inclined material channel is disposed on an upper end surface of the material holder, the inclined material channel is inclined from the material inlet to the material outlet from top to bottom, a single long tube passes through the inclined material channel in a single height direction, a material receiving slot plate is disposed on an end portion of the material outlet, a plurality of first angled grooves are disposed on an upper end surface of the material receiving slot plate, each first angled groove is used for accommodating a single falling long tube, the feeding mechanism further includes a material separating fork, a plurality of second angled grooves are disposed on an upper end surface of the material separating fork, an initial second angled groove corresponds to a long tube at an end of the material outlet, and a lowest position of the second angled groove corresponds to a high position inside the first angled groove, the bottom of the material distributing fork is connected with a piston end of a first vertical cylinder, the first vertical cylinder drives the material distributing fork to vertically lift, and a feeding frame is further arranged at the position of the material outlet. The technical scheme is only suitable for feeding of the slender steel pipe, and is not suitable for cold drawing processing of the large-caliber steel pipe.

For example, the 'feeding device for three-wire cold drawing machine' provided by the authorization notice number CN205926637U of the Chinese utility model comprises a blank steel tube storage rack, wherein the blank steel tube storage rack comprises a discharge end which is obliquely arranged and a table top for storing the blank steel tube; the table top is arranged at an inlet lower than the discharge end, and a conveying belt for conveying the blank steel pipe to the inlet of the discharge end is arranged on the table top; the inlet of the discharge end is also provided with a jacking mechanism for jacking the blank steel pipe into the discharge end, the jacking mechanism comprises a mandril capable of moving up and down and a rotatable gear, and the mandril is meshed with the gear; the discharge end is also provided with a telescopic guide rod, and the guide rod is used for guiding the blank steel pipe rolled out from the discharge end into a receiving groove of the cold drawing machine. This technical scheme can realize the material loading to all kinds of steel pipes, but its overall structure is comparatively complicated, and spare part is more, very easily breaks down and influences the efficiency of cold drawing in the use.

In view of the above, there is a need to design a feeding device for cold-drawn steel tubes, which has a simple structure, a low failure rate and a high feeding efficiency. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a loading attachment of cold drawn steel pipe helps improving the cooperation structure of blowing and direction and simplifies the material loading structure and improve the stability of whole device operation, is favorable to reduce cost, reduction fault rate and improves cold drawn efficiency.

The utility model aims at achieving the purpose, a loading attachment of cold drawn steel pipe, its characterized in that: the automatic discharging device comprises a base, at least two discharging plates and a group of guide plates, wherein the discharging plates are arranged above the base and are arranged at intervals along the front-back direction of the base, the guide plates are respectively arranged on one side of the discharging plates, a pair of sliding grooves are formed in the guide plates, the discharging plates are respectively provided with a sliding block at positions corresponding to the pair of sliding grooves, the sliding blocks are fixed on one side face of each discharging plate and press the guide plates against one side of each discharging plate, the guide plates slide left and right on the sliding blocks through the sliding grooves, guide racks are respectively formed below the guide plates, guide gears meshed with the guide racks are respectively arranged below the guide racks, the guide gears are respectively and fixedly connected to a guide gear shaft, the guide gear shaft is in transmission connection with an output shaft of a motor, and one side of each discharging plate is also respectively provided with a material pushing device.

The utility model discloses a specific embodiment, the right-hand member of blowing board upwards constitute and have a striker plate, the left end of this blowing board constitutes has first blowing board inclined plane of downside slope earlier on, the right-hand member on this first blowing board inclined plane upwards constitutes has a striker boss, striker plate and striker boss between be formed with a blowing chamber, this blowing chamber constitutes the second blowing board inclined plane that has a tip downward sloping in the one end of being connected with striker boss.

In another embodiment of the present invention, the left end of the guide plate is formed with a guide plate inclined surface inclined downward.

In another specific embodiment of the present invention, the pushing device includes a gear box fixed on a side of the base, the gear box is provided with a pushing gear, the gear box is provided with a pushing rack engaged with the pushing gear and sliding up and down, the upper and lower ends of the pushing rack extend out of the gear box, the upper end of the pushing rack is provided with a push rod, a pushing cylinder is connected below one of the pushing racks, the lower end of the pushing cylinder is connected with the cylinder base fixed on the horizontal reference surface, and the end of the piston rod at the upper end is hinged to the pushing rack, the pushing gear is fixedly connected to a pushing gear shaft, and the pushing gear shaft passes through the gear box and is rotatably supported on the base.

In another specific embodiment of the present invention, the lower end of the base is supported on a horizontal ground by a set of supporting legs.

The utility model discloses a and then a concrete embodiment, the left side of base be provided with one and go up the work or material rest, this material rest is provided with at least two sets of tube dropping grooves that extend and the interval sets up along the fore-and-aft direction along controlling the direction interval in the position department parallel with the deflector lower surface, is provided with a delivery wheel between the two adjacent tube dropping grooves respectively, the delivery wheel fix respectively on a delivery shaft, the delivery shaft rotate the ground pivot put on last work or material rest and provide power through a feeding motor, this feeding motor is installed in one side of last work or material rest.

The utility model discloses a more and a concrete embodiment, the slider include a slider screw rod, the one end of this slider screw rod constitute have a limiting plate, the other end after passing the blowing board with a fastening nut fixed connection, the position department cover that just corresponds to the spout on the slider screw rod is equipped with a slider bearing, this slider bearing one side is supported and is leaned on the limiting plate, the position department cover that just corresponds between blowing board and the deflector on the slider screw rod is equipped with a retaining ring, this retaining ring one side is supported and is leaned on the slider bearing, the opposite side is supported and is leaned on the blowing board, the slider pass through fastening nut and let the limiting plate press on the deflector and realize the interconnect of blowing board and deflector.

In a more specific embodiment of the present invention, the base is fixed with a shaft seat at a position corresponding to the guide gear, and the guide gear shaft passes through the shaft seat in sequence and is rotatably supported on the base.

The utility model discloses owing to adopted and offered the spout on the deflector and through slider and blowing board sliding connection and rack gear's structure, therefore reduced the quantity of spare part, simplified the material loading structure to improve the stability of whole device operation, the cost is reduced effectively, reduces the fault rate, and then has improved cold drawing efficiency.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a partial structural sectional view of fig. 1 in a plan view.

In the figure: 1. a base 11, supporting legs; 2. the material discharging plate comprises a material discharging plate 21, a material blocking plate 22, a material blocking boss 23, a material discharging cavity 24, a second material discharging plate inclined plane 25 and a first material discharging plate inclined plane; 3. the sliding block bearing comprises a guide plate, a sliding groove 31, a sliding groove 32, a guide rack 33, a guide plate inclined surface 34, a sliding block 341, a sliding block screw rod 342, a limiting plate 343, a fastening nut 344, a retaining ring 345 and a sliding block bearing; 4. the pushing device comprises a pushing device, 41, a gear box, 42, a pushing gear, 43, a pushing rack and 431, and the pushing rod is connected with the gear box; 5. a pusher gear shaft; 6. a guide gear; 7. a guide gear shaft, a 71-shaft seat, a 72-motor; 8. a feeding frame 81, a pipe dropping groove 82, a feeding wheel 83, a feeding shaft 84 and a feeding motor; 9. a material pushing cylinder, 91, a cylinder base; 10. and (5) steel pipes.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and back are given with respect to the position state of fig. 1, and thus should not be interpreted as limiting the technical solution provided by the present invention.

Referring to fig. 1 in combination with fig. 2, the present invention relates to a feeding device for cold-drawn steel tubes, which includes a base 1, at least two material-placing plates 2 disposed above the base 1 and spaced along the front-back direction of the base 1, and a set of guide plates 3 disposed on one side of the material-placing plates 2, in this embodiment, three material-placing plates 2 are illustrated (as shown in fig. 2), and accordingly, the number of the set of guide plates 3 is also three. Each guide plate 3 is provided with a pair of sliding grooves 31, each material placing plate 2 is provided with a sliding block 34 at the position corresponding to the pair of sliding grooves 31, the sliding block 34 is fixed on one side surface of the material placing plate 2 and presses the guide plate 3 against one side of the material placing plate 2, the guide plate 3 slides left and right on the sliding block 34 through the sliding grooves 31, a guide rack 32 is respectively formed below the guide plate 3, a guide gear 6 meshed with the guide rack 32 is respectively arranged below the guide rack 32, the guide gears 6 are respectively fixedly connected to a guide gear shaft 7, the guide gear shaft 7 is in transmission connection with an output shaft of a motor 72, and the motor 72 is installed below the base 1. A shaft seat 71 is fixed on the base 1 at the position corresponding to the guide gear 6, and the guide gear shaft 7 is rotatably supported on the base 1 after passing through the shaft seats 71 in sequence. The left end of the guide plate 3 is formed with a guide plate inclined plane 33 which inclines downwards. And one side of the discharging plate 2 is also provided with a material pushing device 4 respectively.

Further, a material baffle 21 is formed at the right end of the material placing plate 2 upwards, a first material placing plate inclined plane 25 inclined downwards is formed at the left end of the material placing plate 2, a material baffle boss 22 is formed at the right end of the first material placing plate inclined plane 25 upwards, a material placing cavity 23 is formed between the material baffle plate 21 and the material baffle boss 22, and a second material placing plate inclined plane 24 with a downward inclined end is formed at one end, connected with the material baffle boss 22, of the material placing cavity 23.

Furthermore, the pushing device 4 comprises a gear box 41 fixed on one side surface of the base 1, the gear boxes 41 are respectively provided with a pushing gear 42, the gear boxes 41 are provided with a pushing rack 43 which is engaged with the pushing gear 42 and slides up and down, the upper and lower ends of the pushing rack 43 respectively extend out of the gear box 41, the upper end of the pushing rack 43 is provided with a push rod 431, a pushing cylinder 9 is connected below one of the pushing racks 43, in the embodiment, the middle pushing rack 43, the lower end of the material pushing cylinder 9 is connected with a cylinder base 91 fixed on a horizontal reference surface, the end part of a piston rod at the upper end is hinged with the material pushing rack 43, the pushing gears 42 are respectively fixedly connected to a pushing gear shaft 5, and the pushing gear shafts 5 respectively penetrate through the gear boxes 41 and then are rotatably supported on the base 1.

Further, a feeding frame 8 is arranged on the left side of the base 1, at least two groups of pipe dropping grooves 81 which extend in the front-back direction and are arranged at intervals are arranged at the left-right direction of the feeding frame 8 at a position parallel to the lower surface of the guide plate 3 at intervals, in this embodiment, three groups of pipe dropping grooves 81 are illustrated, a feeding wheel 82 is respectively arranged between every two adjacent pipe dropping grooves 81, the feeding wheels 82 are respectively fixed on a feeding shaft 83, the feeding shaft 83 is rotatably pivoted on the feeding frame 8 and is powered by a feeding motor 84, and the feeding motor 84 is installed on one side of the feeding frame 8. The lower end of the base 1 is supported on the horizontal ground through a group of supporting feet 11.

Further, the slider 34 includes a slider screw 341, one end of the slider screw 341 forms a limit plate 342, the other end is fixedly connected with a fastening nut 343 after passing through the discharging plate 2, a slider bearing 345 is sleeved on the slider screw 341 at a position corresponding to the chute 31, one side of the slider bearing 345 abuts against the limit plate 342, a retaining ring 344 is sleeved on the slider screw 341 at a position corresponding to the position between the discharging plate 2 and the guide plate 3, one side of the retaining ring 344 abuts against the slider bearing 345, the other side abuts against the discharging plate 2, and the slider 34 enables the limit plate 342 to press against the guide plate 3 through the fastening nut 343 to realize the mutual connection of the discharging plate 2 and the guide plate 3.

Referring to fig. 1 in combination with fig. 2, firstly, the steel pipe 10 is stacked in the material placing cavity 23, the steel pipe extends in the front-back direction and is placed on the material placing plate 2, the steel pipe 10 rolls to the left side along the inclined plane 24 of the second material placing plate, when the material placing grooves 81 on the material placing frame 8 need to be loaded, the motor 72 works to rotate the guide gear shaft 7 and the guide gear 6 thereon, the guide rack 32 rotates along with the engaged guide gear 6 to drive the guide plate 3 to move to the left until the left end of the guide plate 3 slides to the leftmost tube placing groove 81, at this time, the material pushing cylinder 9 works and pushes the material pushing rack 43 to slide upwards, the material pushing rack 43 rotates the material pushing rack shaft 5 connected with the material pushing rack shaft in the sliding process, and the rest material pushing racks 43 are driven by the rotation of the material pushing rack shaft 5 and move upwards together, the push rod 431 is driven by the pushing rack 43 to push the steel tube 10 upwards, so that a corresponding steel tube 10 rolls leftwards along the inclined plane 25 of the first discharging plate to the inclined plane 33 of the guide plate 3 after turning over the material blocking boss 22, and rolls into the corresponding tube dropping groove 81 along the inclined plane 33 of the guide plate, then the motor 72 works again, so that the guide gear shaft 7 and the guide gear 6 thereon rotate, the guide rack 32 rotates along with the engaged guide gear 6 to drive the guide plate 3 to move rightwards until the left end of the guide plate 3 slides to the side of the adjacent tube dropping groove 81, the pushing device 4, the pushing gear shaft 5 and the pushing cylinder 9 repeat the above actions to make another steel tube 10 fall into the corresponding tube dropping groove 81, and then the motor 72, the gear shaft 7, the guide gear 6 and the guide plate 3 repeat the above actions until the steel tube 10 is placed into each tube dropping groove 81, finally, the steel pipe 10 in the pipe dropping groove 81 slides forwards to enter a cold drawing station through a feeding wheel 82 driven by a feeding motor 84, so that the whole feeding process is completed.

Claims (8)

1. The utility model provides a loading attachment of cold drawn steel pipe which characterized in that: comprises a base (1), at least two material placing plates (2) which are arranged above the base (1) and are arranged at intervals along the front-back direction of the base (1) and a group of guide plates (3) which are respectively arranged on one side of the material placing plates (2), wherein a pair of sliding grooves (31) are formed in the guide plates (3), sliding blocks (34) are respectively arranged at positions corresponding to the pair of sliding grooves (31) of the material placing plates (2), the sliding blocks (34) are fixed on one side surface of the material placing plates (2) and press the guide plates (3) on one side of the material placing plates (2), the guide plates (3) slide left and right on the sliding blocks (34) through the sliding grooves (31), guide racks (32) are respectively formed below the guide plates (3), and guide gears (6) which are meshed with the guide racks (32) are respectively arranged below the guide racks (32), the guide gears (6) are respectively and fixedly connected to a guide gear shaft (7), the guide gear shaft (7) is in transmission connection with an output shaft of a motor (72), and one side of the material discharging plate (2) is also respectively provided with a material pushing device (4).

2. The feeding device of a cold drawn steel tube according to claim 1, wherein the right end of the discharging plate (2) is formed with a stop plate (21) upward, the left end of the discharging plate (2) is formed with a first discharging plate inclined plane (25) inclined downward, the right end of the first discharging plate inclined plane (25) is formed with a stop boss (22) upward, a discharging cavity (23) is formed between the stop plate (21) and the stop boss (22), and the discharging cavity (23) is formed with a second discharging plate inclined plane (24) inclined downward at one end connected with the stop boss (22).

3. A feeding device for cold drawn steel tubes according to claim 1, wherein the left end of the guide plate (3) is formed with a guide plate slope (33) which is inclined downward.

4. The feeding device of the cold-drawn steel tube according to claim 1, characterized in that the pushing device (4) comprises a gear box (41) fixed on one side of the base (1), the gear box (41) is internally provided with a pushing gear (42), the gear box (41) is provided with a pushing rack (43) which is engaged with the pushing gear (42) and slides up and down, the upper end and the lower end of the pushing rack (43) respectively extend out of the gear box (41), the upper end of the pushing rack (43) is provided with a push rod (431), the lower part of one pushing rack (43) is connected with a pushing cylinder (9), the lower end of the pushing cylinder (9) is connected with a cylinder base (91) fixed on a horizontal reference surface, the end of a piston rod at the upper end is hinged with the pushing rack (43), the pushing gear (42) is fixedly connected with a pushing gear shaft (5) respectively, the pushing gear shafts (5) respectively penetrate through the gear boxes (41) and are rotatably supported on the base (1).

5. The feeding device of the cold-drawn steel tube according to claim 1, wherein the lower end of the base (1) is supported on the horizontal ground through a group of supporting feet (11).

6. The feeding device of the cold-drawn steel tube according to claim 1, characterized in that a feeding frame (8) is arranged on the left side of the base (1), at least two groups of tube dropping grooves (81) which extend in the front-back direction and are arranged at intervals are arranged on the left-right direction of the feeding frame (8) at a position parallel to the lower surface of the guide plate (3) along the left-right direction at intervals, a feeding wheel (82) is respectively arranged between two adjacent tube dropping grooves (81), the feeding wheels (82) are respectively fixed on a feeding shaft (83), the feeding shaft (83) is rotatably pivoted on the feeding frame (8) and is powered by a feeding motor (84), and the feeding motor (84) is arranged on one side of the feeding frame (8).

7. The feeding device of cold drawn steel tube as claimed in claim 1, wherein said slider (34) comprises a slider screw (341), one end of the slide block screw rod (341) is provided with a limit plate (342), the other end is fixedly connected with a fastening nut (343) after passing through the discharging plate (2), a slide block bearing (345) is sleeved on the slide block screw rod (341) and at a position corresponding to the slide groove (31), one side of the slide block bearing (345) is abutted against the limit plate (342), a retaining ring (344) is sleeved on the slide block screw rod (341) and corresponds to the position between the discharging plate (2) and the guide plate (3), one side of the retainer ring (344) is abutted against the slide block bearing (345), the other side is abutted against the material discharging plate (2), the sliding block (34) enables the limiting plate (342) to be pressed on the guide plate (3) through a fastening nut (343) so as to realize the mutual connection of the material discharging plate (2) and the guide plate (3).

8. The feeding device of a cold drawn steel tube according to claim 1, wherein the base (1) is respectively fixed with a shaft seat (71) at a position corresponding to the guide gear (6), and the guide gear shaft (7) is rotatably supported on the base (1) through the shaft seats (71) in sequence.

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